Across
- 1. Chemical reactionin which organic substances are transformed into other substances
- 4. Waterproof (two words)
- 7. Ability of a material to break easily
- 8. Chemical reaction in which fuels react with oxygen and produce light and heat energy
- 11. Substances we use for making all kinds of things
- 12. You can see the components that form the mixture
Down
- 2. The liquid solvent evaporates and the dissolved solid crystallises
- 3. Ability of an object to float or rise up in a fluid
- 5. Space that matter occupies
- 6. Ability of a material to resist scratches
- 9. Ability of a material to resist weight without breaking
- 10. Ammount of matter